EP0444619A3 - Process for producing 2-hydroxyquinoxaline derivatives - Google Patents
Process for producing 2-hydroxyquinoxaline derivatives Download PDFInfo
- Publication number
- EP0444619A3 EP0444619A3 EP19910102831 EP91102831A EP0444619A3 EP 0444619 A3 EP0444619 A3 EP 0444619A3 EP 19910102831 EP19910102831 EP 19910102831 EP 91102831 A EP91102831 A EP 91102831A EP 0444619 A3 EP0444619 A3 EP 0444619A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydroxyquinoxaline
- derivatives
- producing
- hydroxyquinoxaline derivatives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- FFRYUAVNPBUEIC-UHFFFAOYSA-N quinoxalin-2-ol Chemical class C1=CC=CC2=NC(O)=CN=C21 FFRYUAVNPBUEIC-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/44—Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47170/90 | 1990-03-01 | ||
JP4717090 | 1990-03-01 | ||
JP290897/90 | 1990-10-30 | ||
JP2290897A JPH03279367A (en) | 1990-03-01 | 1990-10-30 | Production of 2-hydroxyquinoxaline derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0444619A2 EP0444619A2 (en) | 1991-09-04 |
EP0444619A3 true EP0444619A3 (en) | 1992-01-29 |
Family
ID=26387327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19910102831 Withdrawn EP0444619A3 (en) | 1990-03-01 | 1991-02-26 | Process for producing 2-hydroxyquinoxaline derivatives |
Country Status (3)
Country | Link |
---|---|
US (1) | US5169955A (en) |
EP (1) | EP0444619A3 (en) |
HU (1) | HUT56832A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2987073T3 (en) | 2018-08-02 | 2024-11-13 | Dev Ct Biotechnology | One-step regioselective process for synthesizing 2-hydroxyquinoxaline |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA728649A (en) * | 1966-02-22 | Donau-Pharmazie Gesellschaft M.B.H. | Dihydroquinoxalone-(2) derivatives and process of preparing same | |
US2537871A (en) * | 1946-07-03 | 1951-01-09 | Merck & Co Inc | 2-aminoquinoxaline and process of preparing same |
US3928350A (en) * | 1971-06-30 | 1975-12-23 | Du Pont | Preparation of 3-substituted 2-hydroxyquinoxalines by reaction of 0-arylenediamines with trihalovinyl epoxides |
PH15791A (en) * | 1978-10-20 | 1983-03-25 | Lilly Co Eli | Pharmaceutical composition containing 3,4-dihydro-3-oxoquinoxalines |
JPS57130977A (en) * | 1981-02-06 | 1982-08-13 | Nippon Synthetic Chem Ind Co Ltd:The | Preparation of 2-hydroxyquinoxaline |
US4450271A (en) * | 1982-07-19 | 1984-05-22 | Industrial Technology Research Institute | Preparation of 2-hydroxyquinoxaline |
JPS59216878A (en) * | 1983-05-25 | 1984-12-06 | Nippon Kayaku Co Ltd | Production of 2-quinoxalinol |
US4814444A (en) * | 1987-06-19 | 1989-03-21 | Uniroyal Chemical Company, Inc. | Process for the selective reduction of 2-hydroxyquinoxaline-4-oxides |
-
1991
- 1991-02-21 US US07/658,756 patent/US5169955A/en not_active Expired - Fee Related
- 1991-02-25 HU HU91614A patent/HUT56832A/en unknown
- 1991-02-26 EP EP19910102831 patent/EP0444619A3/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 6, no. 227 (C-134)(1105) 12 November 1982 & JP-A-57 130 977 ( NIPPON GOSEI ) * |
Also Published As
Publication number | Publication date |
---|---|
HUT56832A (en) | 1991-10-28 |
HU910614D0 (en) | 1991-09-30 |
EP0444619A2 (en) | 1991-09-04 |
US5169955A (en) | 1992-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19910321 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT CH DE FR GB LI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT CH DE FR GB LI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19931106 |